Well from what little I know about Halo, prior to the aliens the Earth government mostly waged war against its own people. Suppressing uprisings against shitty conditions and the oppression.
Even during the war. IIRC Halo: Reach starts when player is participating in smashing of outreach uprising, and during it they find planet being attacked by Covenant (which is known enemy by then).
Well from what little I know about Halo, prior to the aliens the Earth government mostly waged war against its own people. Suppressing uprisings against shitty conditions and the oppression.
In this context the name makes perfect sense.
Even during the war. IIRC Halo: Reach starts when player is participating in smashing of outreach uprising, and during it they find planet being attacked by Covenant (which is known enemy by then).